# File lib/facter/util/memory.rb, line 51 def self.vmstat_darwin_find_free_memory() memfree = 0 pagesize = 0 memspecfree = 0 vmstats = Facter::Core::Execution.exec('vm_stat') vmstats.each_line do |vmline| case when vmline =~ /page\ssize\sof\s(\d+)\sbytes/ pagesize = $1.to_i when vmline =~ /^Pages\sfree:\s+(\d+)\./ memfree = $1.to_i when vmline =~ /^Pages\sspeculative:\s+(\d+)\./ memspecfree = $1.to_i end end freemem = ( memfree + memspecfree ) * pagesize end